Serpentine, or rather the serpentines, is a group of over 20 minerals quite difficult to differentiate the one from the other, the best known of whom are : antigorite, chrysotile and lizardite. These Phyllosilicates are weathering products of magnesium silicates.
The Ophite, sometimes called “ophite jade” or “serpentine jade”, which is a rock, from the Greek “ophis”, meaning snake, because the appearance resembles the skin of a snake, consists of three minerals: Antigorite, (named after the Antigorio valley in Italy), massive, scaly or platy, going from light green to dark green or yellow to yellow-green, of 3.5 hardness and density of 2.55; Chrysotile, from the Greek “khruso”, for gold, and ” tilos “, for fiber, due to the color of its fibers, which can be fully and very fine fibrous (which is asbestos) and Lizardite.

The bowenite is a variety of green apple serpentine, covered with clear veins.
The connemara is a mixture of serpentine and marble.
The williamsite is olive green with black inclusions.
Verdite is the green variety imbued with fuchsite, which is often translucent and cabochon cut.